What did USA do to vex Denon?

SVI2004A

SVI2004A

Synchro Bias
it seems that USA and Canadian models of one of their power amps got a lil under baked on the heatsink...

See attached service manual info.... It has no advantage to fit it with smaller outputs

Anyone seen this in other brands/models?image.png
 
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What are the ratings of both types?

20 less volts 180 vs 200, 2 less amps 15 vs. 17, 130W vs 200W.

Wonder if that materially plays into function or reliability?
 
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USA model surrenders 4A and 140W on the outputs

1494/3858 200W/17A - 1492/3856 130W/15A both channels use four outputs

If I was in USA I'd be spewwin about that.
 
this may be off topic, but might explain some things.
I just finished converting my Bose Spatial Receiver from 110V to 240V, and found that the DC power lines went from +/-40V to around +/-43V.
although not a significant rise, a rise nonetheless.
maybe the above is to build some tolerances for overall power changes (without making any changes to design)...
Anyways....
 
These Denon amps are what, 20+ years old? Denon hasn't been making 2 channel amps for some time, hard to get worked up about that.
 
During the early 1980's the (then) administration manipulated US currency to address inflation and other issues. This often made imported products more expensive. Foreign manufactures of that time responded, they mitigated the (intended) price increases by reducing the manufacturing costs of their products. So you might be looking at an amplifier of that era where the manufacturer decided to reduce the cost (and quality) of the US product, but maintain the quality of the product to other markets - somehow retaining the same product ID in both markets.
 
rmeade said:
During the early 1980's the (then) administration manipulated US currency to address inflation and other issues. This often made imported products more expensive. Foreign manufactures of that time responded, they mitigated the (intended) price increases by reducing the manufacturing costs of their products. So you might be looking at an amplifier of that era where the manufacturer decided to reduce the cost (and quality) of the US product, but maintain the quality of the product to other markets - somehow retaining the same product ID in both markets.
Click to expand...

I always assumed in this case it was lax consumer protection laws.
 
Probably under the guise of "How Cheaply Can We Build This and Not Have To Repair It In Warranty" so we can sell them in cheaper discount shops. Denon= Darned Equipment Never Operated Normally". The Famous DeWick Funeral Pyre of Dead Denons says it all. He has one whole shed of Dead Denons. Stick to Denon turntables before the Hanpin era, the MC cartridges, the great CD players, and their fine cassette decks.
 
Do we know what exact model this is referring to?

Maybe this has more to do with how many transistor types Sanken can spit out of their production line without falling behind.
 
dave1701 said:
Could someone enlighten me as to what this thread is about?
Click to expand...

Speculation?

I work for a large OEM and if I had $10 for every prophecy I'd heard from a dealer or distributor alleging some part is going to fail because it doesn't look strong enough to them, yet it doesn't fail, I'd have retired early.
 
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runnin' said:
These Denon amps are what, 20+ years old? Denon hasn't been making 2 channel amps for some time, hard to get worked up about that.
Click to expand...
http://www.denon.jp/jp/product/hificomponents/amplifiers/pmasx11

XL_de_pmasx11_jp_sp_re_bg001_lo.png
 
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